Technology is not a substitute for thinking. Memorize this sentence, the last sentence in Jim Bamford’s book, BODY OF SECRETS: Anatomy of the Ultra-Secret National Security Agency (page 613, literally the last sentence in the book, note the last three words:

“Eventually NSA may secretly achieve the ultimate in quickness, compatibility, and efficiency–a computer with petaflog and higher speeds shrunk into a container about a liter in size, and powered by only about ten watts of power: the human brain.”